export interface Singles {
  A: string;
  B: string;
  C: string;
  D: string;
  single_name: string;
  key: number;
}

export interface Selections {
  A: string;
  B: string;
  C: string;
  D: string;
  selection_name: string;
  key: number;
}

export interface Judges {
  judge_name: string;
  key: number;
}

export interface ExamTopic {
  add_time: number;
  exam_deadline: number;
  exam_introduction: string;
  key: number;
  status: number;
  subject_name: string;
  test_name: string;
  time_limit: string;
  singles: Singles[];
  selections: Selections[];
  judges: Judges[];
}
